tp5

    config = config('wxapp');    }    public function index()    {        $info = file_get_contents('php://input');        file_put_contents(APP_PATH.'../a.json',$info);        echo 'success';    }    public function getAccessToken()    {        $isExpires = $this->isExpires();        if($isExpires === false){            //到期，获取新的            $url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $this->config['appid'] . '&secret=' . $this->config['appsecret'];            $res = $this->curl($url);            // dump($res);            $arr = json_decode($res,true);            if($arr && !isset($arr['errcode'])){                $arr['time'] = time();                file_put_contents(APP_PATH . '../access_token.json', json_encode($arr));                return $arr['access_token'];            }else{                echo 'error on get access_token';die;            }        }else{            return $isExpires;        }            }    public function isExpires(){        if(!file_exists(APP_PATH . '../access_token.json')){            return false;        }        $res = file_get_contents(APP_PATH . '../access_token.json');        $arr = json_decode($res,true);        if($arr && time()<(intval($arr['time'])+intval($arr['expires_in']))){            //未过期            return $arr['access_token'];        }else{            return false;        }    }    public function curl($url)    {        //初始化        $ch = curl_init();        curl_setopt($ch, CURLOPT_URL,$url);        // 执行后不直接打印出来        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);        curl_setopt($ch, CURLOPT_HEADER, false);        // 跳过证书检查        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);        // 不从证书中检查SSL加密算法是否存在        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);        //执行并获取HTML文档内容        $output = curl_exec($ch);        //释放curl句柄        curl_close($ch);                return $output;    }}